What powers 
boatpier.or.jp?
Last seen Sep 2026 · 13 technologies across 10 categories
Analytics
CDN
CMS
Databases
Hosting
JavaScript libraries
Miscellaneous
Programming languages
Tag managers
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.51 / 10 · ranked #888,285 of all domains
53 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 0.9 MB · 29 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 一般社団法人競艇ピアー協会
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Xserver (183.181.82.77)
- DNS: Xserver
- Email: no MX record returned, SPF names Xserver
- Email security: SPF (soft fail)
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,314,538, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
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Recent changes
- dropped Apache HTTP Server Dec 2025
- dropped Bootstrap Dec 2025
- dropped OpenSSL Dec 2025
- dropped Slick Dec 2025